Answer:
it is true
Explanation:
pls give brainly if right
Which animal had to eat the most frequently in order to maintain its energy
level?
A. Rattlesnake
B. Small fish
C. Hummingbird
O D. Kangaroo rat
Answer:D
Explanation:
Answer:
C. Hummingbird Have a great night or day
Explanation:
100% correct A P 3 X I just did the assessment i got all the answers right :)
Name five phycocolloids
Answer:
ALGAE
…walls of many seaweeds contain phycocolloids (algal colloids) that can be extracted by hot water. The three major phycocolloids are alginates, agars, and carrageenans. Alginates are extracted primarily from brown seaweeds, and agar and carrageenan are extracted from red seaweeds. These phycocolloids are polymers of chemically modified sugar molecules, such…
Explanation:
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20 Pts .....
Write your list of electrical objects and their sources of electrical current.
Answer:
blow dryer
refrigerator
phone
Xbox
Explanation:
they all use electrical current
What cell part is described as the organic material between the membrane and nucleus, which contains a variety of tiny bodies or organelles?
A. Cytoplasm
B. Mitochondria
C. Cell Wall
D. Golgi Complex
E. Chloroplasts
F. Endoplasmic Reticulum
i believe the answer is A
Subnit
Secetory Veside
Lysosome
Golgi apparatus
Plasna membrane
According to the Endosymbiotic Theory, infoldings in the cell membrane of an ancestral prokaryotic cell gave rise to endomembrane
components, including the nucleus, endoplasrnic reticulum and qolgi apparatus in what would become eukaryotic cells. The evolution
of endomembrane components provided for compartmentalization in eukaryotes, leading to more efficiency in cell processes. Which
part of the endornembrane system provides a mechanism for transporting proteins from the rough ER to the golgi apparatus?
)
A)
vesicle
B)
lysosome
smooth ER
D)
peroxisome
Hint
Answer:
A) vesicle
Explanation:
As described in this question, the endomembrane system is a system of membrane-bound organelles in eukaryotic cells that functions in the synthesis, packaging, modification, and transportation of lipids and proteins in the cell. The organelles that make up the endomembrane system includes: Secetory Veside, Lysosome, Golgi apparatus, Plasna membrane, endoplasmic reticulum etc.
According to this question, the part of the endornembrane system that provides a mechanism for transporting proteins from the rough ER, which synthesizes it to the golgi apparatus, where it is modified and packaged is VESICLES. Vesicles are membranous cellular organelles that function mainly in the transport of materials e.g proteins
Structures represented in the illustration below are found in the lower epidermis of a plant leaf. The illustration shows the response to a certain environmental condition. What are the structures that point T and Q and what would the response represented in the illustration most likely be caused by?
Answer: I think it's the third one: Letter Q points to the guard cell. Letter T points to the stomata and the response is most likely due to the humid tropical nature of the enviorment.
Answer:
Letter Q points to a guard cell. Letter T points to the stomata. The response is most likely due to little available water.
Explanation:
In the picture, the stomata appears to be closed. This means that its preserving water.
What part of the cell is considered the control center in
Eukarayotes
Answer:
Nucleus
Explanation:
The nucleus is defined as a large membrane-enclosed structure that contains the cell's genetic material in the form of DNA in eukaryotes. It is the control center of the cell and dictates what all of the other organelles do.
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QUICK : plants are critical to maintaining the conditions on earth required for most living organisms. what do they producdr that is so critical for tbejt survival and the survival of other organisms?
-O2, glucose, H2O
-O2 glucose
-CO2, O2, pyruvate
Answer:
O2 and glucose
Explanation:
plant use carbon dioxide sunlight nutrients and water to create oxygen for animals and glucouse as its own food source
Question 9 of 25
Which is an example of current electricity?
A. Positively charged particles are attracted to negatively charged
particles.
OB. Negative and positive electric charges build up in different regions
of a cloud.
OC. Electrons flow from an outlet into a toaster, causing it to heat a
slice of bread.
OD. A person rubs a shoe on a rug, causing extra electrons to be
transferred to the shoe.
Answer:
D. a person runs a shoe on a rug, causing extra electrons to be transferred to the shoe
Answer: C. electrons flow from an outlet into a toaster causing it to heat a slice of bread
Explanation:
A PEX
idk if thats better but okay
Answer:
A!
Explanation:
For this, I used process of elimination!
Lipids use most energy, and nucleic acids store RNA and DNA, which is hereditary information. None of the other answer included that, so A should be correct!
I hope this is enough, but I can help more if you'd like!
HELP PLEASE
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Rocks and minerals activity Reflection questions:
1. Describe the ways mining in the real world can affect society, ecosystems, and the environment of a specific region.
2. Using your answers to the question above, list the criteria you believe should be addressed by land reclamation. Prioritize your criteria by order of importance. Explain the order you selected for your criteria.
3. Complete redamation of mined land is the solution you practiced in this cookie mining lab. What reasoning supports this solution as one that will provide the largest benefits and least costs to society and the environment ?
4. Legislation requiring the reclamation of the land makes mining more expensive. How important is this constraint to achieving complete reclamation of mined land?
Answer:
1. Across the world, mining contributes to erosion, sinkholes, deforestation, loss of biodiversity, significant use of water resources, dammed rivers and ponded waters, wastewater disposal issues, acid mine drainage and contamination of soil, ground and surface water, all of which can lead to health issues in local.. 2.Mining in the real world can affect society, ecosystems, and the environment of a specific region because all the minerals that you are looking for won't be right where you want them to be. It is not going to be in the same area. Instead, it will be scattered throughout the mines and you will have to search for them. 3.Students act as mining engineers and simulate ore mining production by using chocolate chip cookies. They focus on the cost-benefit analysis of the chocolate ore production throughout the simulation, which helps them understand the cost of production. As students “mine” with tools such as paperclips and toothpicks, they keep records of their costs—land (cookie), equipment used, cookie size before and after production, and time spent. While the goal is to make as much profit as possible, other costs and goals are taken into consideration—as in real-world mining engineering. For example, mining engineers also consider the resulting amount of destruction to the lithosphere when deciding the best method to obtain ore. Thus, a line item for land reclamation cost is included from the beginning. A provided worksheet serves as a profit and loss statement. 4.Mine reclamation is the process of restoring land that has been mined to a natural or economically usable state. Although the process of mine reclamation occurs once mining is completed, the planning of mine reclamation activities occurs prior to a mine being permitted or started.
Explanation:
i don't have a explanation but i hope this helps
The extraction of minerals or other geological elements from the earth is known as mining.
How does mining affect society, ecosystems, and the environment?Society: Mining increases social conflicts, causes relocation of the community, affects the health of humans and animals and causes loss of land. However, it helps increase economic growth. Ecosystem: Mining adversely affects biodiversity and destroys the habitat.Environment: Mining causes erosion, sinkholes, deforestation, overuse of water resources, waste disposal issues, acidification of soils and water bodies, and their contamination.What is land reclamation?It is the process by which the mined lands are filled, thereby producing land that can be used. They can be used to restore the environment. However, the ecosystem and society's restoration takes a long time.
Is it beneficial?While the land that cannot be used now has been restored, the materials that have been used have been taken from a source, and that can lead to changes in the ecosystem at the source.
What is the reasoning that supports land reclamation as the solution?The goal is to produce as much profit as feasible. When determining the optimum approach to collecting ore, mining engineers, take into account the amount of lithosphere destruction, and hence, from the start, land reclamation costs are included.
What is the role of mine reclamation legislation?It ensures that land reclamation activities are planned before a mine is licensed or started.
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What does a base release when it is dissolved?
the building blocks for this molecule are amino acid?
In a two-compartment model of a cell with a K - and Cl --permeable membrane and a 10-fold excess of KCl in the inside compartment, how would the membrane potential change if all the beginning KCl solutions (including inside and outside) were replaced by NaCl
Answer:
When the solutions (including inside and outside) were replaced by NaCl, the membrane potential changes from a negative value of -60 mV to a positive value of + 60 mV.
Explanation:
According to the Nernst equation the potential of the membrane for a two-compartment model of a cell for positive gradient of K⁺ ions is V = - 60 mVlogK'/K where K' = inside concentration of K⁺ ions and K = outside concentration of K⁺ ions. For a 10 fold excess of KCl in the inside compartment, K'/K = 10. So,
V = - 60 mVlogK'/K = - 60 mVlog10 = -60 mV.
For a negative gradient of Na ions is V = + 60 mVlogK'/K where K' = inside concentration of Na⁺ ions and K = outside concentration of Na⁺ ions. (Since the cell is selectively permeable to Na⁺ ions. So, Na ions to not flow out but in.)For a 10 fold excess of NaCl in the inside compartment, K'/K = 10. So,
V = + 60 mVlogK'/K = + 60 mVlog10 = +60 mV.
So, when the solutions (including inside and outside) were replaced by NaCl, the membrane potential changes from a negative value of -60 mV to a positive value of + 60 mV.
Match the characteristics below to either monocots or dicots.
________netted veins in leaves
________herbaceous or woody stem
________corn, asparagus, and grasses
________parallel veins in leaves
________only herbaceous
________beans, peaches, and potatoes
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What do mutated proto-oncogenes cause?
Answer: Bad gene
Explanation:
They can cause and become a ''bad'' gene, a gene that is not good.
That gen is not good because it can become permanently activated or turned on in the times where it is not supposed to happen and because of that cell can grow out of control. When a cell is growing out of control it can be really bad because it can cause cancer.
Worldwide, renewable energy is the fastest growing source of energy yet it only
provides 10% of our total energy. Explain two positives and two negatives associated
with renewable resources.
Answer with Explanation:
Positive
1. They don't create too much pollution, which makes them "clean."
It allows us to have a clean air because there's no need of burning them just like the fossil fuels (non-renewable).2. They don't cost too much to run.
The supply of these resources doesn't cost anything at all. For example, solar energy relies on the heat of the sun. The sun's heat is definitely free and can be found in most sunny places.Negative
1. Setting up is expensive.
An example of this is the "wind turbine" that costs millions of dollars in order to set up.2. The output is affected by many factors.
Depending on the kind of renewable resource, most of these are affected by many factors. For example, wind turbines rely on wind's blowing while the hydroelectric powers can be affected by drought.Which circumstance can cause negative population growth?
O A. The death rate is higher than the birthrate.
OB. The emigration rate is lower than the birthrate.
C. The birthrate is higher than the death rate.
O D. The immigration rate is the same as the birthrate.
what are three of the human body's defensive barriers and how do they keep the human body healthy
The right to vote in the original Constitution was granted to
Answer:
Only white men aged 21 and older who owned land could vote in the original Constitution.
Explanation:
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How does a magnifying glass make an object look bigger and closer?
Answer:
Any converging lens that has a small focal length (several centimeters) can be used as a magnifying glass. The observed object is placed in front of the magnifying glass so that it is located between the lens and the focus (closer to the focus).
Explanation:
It consists of only one condenser lens of small life (a few centimeters).
The observed object is placed between the magnifying glass and its focus (closer to the focus)
The observer sees an upright and enlarged figure of the object.
In order to like clear video ("sharpen"), the magnifier zooms in or out of the subject.
When the character is most clearly seen, we can find ourselves on a given high species.
For a man with normal eyesight, it is about 25 cm.
Process used when it is time for an
entire organism to reproduce
Answer: reproduction
Explanation: the process by which an organism produces its offspring is called reproduction.
The process used when it is time for an entire organism to reproduce is called MEIOSIS.
Meiosis is a type of reductional cell division by which a parental cell divides to produce four daughter cells having half of the genetic material (DNA) compared to the parent cell.Meiosis is used by organisms with a sexual mode of reproduction to produce new organisms by a process called fertilization, which involves the fusion of two meiotic cells, one from each parent.Germinal (sex) cells reproduce by meiosis, while somatic (body) cells reproduce by mitosis.In conclusion, the process used when it is time for an entire organism to reproduce is called MEIOSIS.
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As the number of insects declines in the autumn as the leaves fall from trees, what would you expect to happen to bird populations?
Answer:
ئەگەر وڵامت زانی بە منیش بلێ هههههههه
Explanation:
What is the role of energy in living organisms? Is it a more or less important role than other characteristics of life? Defend your response.
Answer:
l
Explanation:
What do spider's use silk for?
Answer:
Spiders use their silk to make webs or other structures, which function as sticky nets to catch other animals, or as nests or cocoons to protect their offspring, or to wrap up prey.
Explanation:
Which environmental factor could lead to a decrease in genetic variation in a population of tuna?
an increase in food availability
an increase in pollution
a decrease in tuna fishing
a decrease in tuna predators
Answer:
The environmental factor that could lead to a decrease in genetic variation in a tuna population is an increase in pollution (second option).
Explanation:
There is a correlation between genetic variability and environmental pollution, the latter being a factor that impacts negatively on the variability of a specific population.
The concept of pollution stress not only implies a low rate of reproduction, but it is also a factor that prevents genetic exchange with other populations, which is a factor that makes the genetic variability decrease in a population.
For these reasons an increase in pollution implies a decrease in genetic variability in a tuna population.
Other options, such as an increase in food availability, a decrease in tuna fishing or a decrease in tuna predators, are environmental factors that contribute to increased genetic variability.Answer:
B
Explanation:
Took the Test
some fruits and vegetables reproduce through a process is called?
Answer:
Fretiliaztion
Explanation:
Plz fill in the blanks with the appropriate words. (theres no word bank)
Which pair of soil compounds does manure management balance?
nitrogen and ammonia
nitrogen and phosphorous
ammonia and phosphorous
potassium and phosphorous
Answer:
I think nitrogen and phosphorus
PLEASE HELP
Which two specialized structures allow fish to live in water?
O A. Fins
B. Gills
C. Bones
O D. Lungs
B and A
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